美元指数：12月19日涨0.06%收于98.425

Group 1 - The US Dollar Index increased by 0.06% on December 19, closing at 98.425 [1][3] - The exchange rate for 1 Euro was 1.1725 USD, down from 1.1745 USD the previous day [1][3] - The exchange rate for 1 British Pound was 1.3386 USD, up from 1.3378 USD the previous day [1][3] Group 2 - The exchange rate for 1 USD to Japanese Yen was 155.52, down from 155.63 the previous day [1][3] - The exchange rate for 1 USD to Swiss Franc was 0.7940, down from 0.7953 the previous day [1][3] - The exchange rate for 1 USD to Canadian Dollar was 1.3781, down from 1.3789 the previous day [1][3] - The exchange rate for 1 USD to Swedish Krona was 9.2846, down from 9.2984 the previous day [1][3]